Nattokinase is a specialized enzyme in natto that was discovered in 1980 by Dr. Hiroyuki Sumi. Additional research has been done, including 17 published studies in Japan and here in the US, which shows it supports your body’s normal blood-clotting mechanisms and helps to maintain normal blood pressure levels.

Nattokinase is one of several enzymes related to your circulation. Fibrin, the enzyme that causes blood clotting, is usually broken down by another enzyme, plasmin. Plasmin aids normal platelet aggregation and circulation. But plasmin production declines with age. Nattokinase helps by facilitating blood flow the same way plasmin does, and also supports your body's natural production of plasmin.

My Nattokinase uses the patented NSK-SD™ formulation, which has its naturally-occurring vitamin K removed. Plus, unlike some others, this product gives you a full 2,000 FU (fibrin units) per day, the dosage recommended by Dr. Sumi and other leading researchers.

WARNING: If you take Coumadin (warfarin) or other blood thinning products, or are pregnant or lactating, consult a health care professional before taking this product.Keep out of reach of children.

♦NSK-SD40® is a registered trademark of JBSL.

Each capsule provides 1,000 FU (fibrin units) nattokinase activity.

Standardization Levels: Nattokinase 40,000 FU per gram

Science and Quality

In a study of 15 healthy men and women, taking 100 mg (2,000 FU) of NSK-SD® significantly increased blood flow within 3 hours after ingestion.1

In a randomized, placebo-controlled trial, 86 participants received either 2,000 FU of nattokinase placebo daily for 8 weeks. The group receiving natto showed reduced blood pressure significantly more so (-2.84 mmHg) than the placebo group after 8 weeks. Plasma rennin also decreased significantly among those taking natto for 8 weeks.2

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